[INFO] cloning repository https://github.com/lazy-bitfield/rust-mockstream
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lazy-bitfield/rust-mockstream" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flazy-bitfield%2Frust-mockstream", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flazy-bitfield%2Frust-mockstream'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e6077f902af4496fadc6a134ea6a561aaa95c2e3
[INFO] checking lazy-bitfield/rust-mockstream against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flazy-bitfield%2Frust-mockstream" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lazy-bitfield/rust-mockstream on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lazy-bitfield/rust-mockstream
[INFO] finished tweaking git repo https://github.com/lazy-bitfield/rust-mockstream
[INFO] tweaked toml for git repo https://github.com/lazy-bitfield/rust-mockstream written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/lazy-bitfield/rust-mockstream already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1cbd9fbe71059f6a20de30ef54537faf39e8787812b0938c2cffe69ed7324bea
[INFO] running `Command { std: "docker" "start" "-a" "1cbd9fbe71059f6a20de30ef54537faf39e8787812b0938c2cffe69ed7324bea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cbd9fbe71059f6a20de30ef54537faf39e8787812b0938c2cffe69ed7324bea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cbd9fbe71059f6a20de30ef54537faf39e8787812b0938c2cffe69ed7324bea", kill_on_drop: false }`
[INFO] [stdout] 1cbd9fbe71059f6a20de30ef54537faf39e8787812b0938c2cffe69ed7324bea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 727d25f2429229baa7744856cae06ed077553db7eea575a07b5b6edbff35989d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "727d25f2429229baa7744856cae06ed077553db7eea575a07b5b6edbff35989d", kill_on_drop: false }`
[INFO] [stderr]     Checking mockstream v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tests.rs:133:14
[INFO] [stdout]     |
[INFO] [stdout] 133 |     let count = try![s.read(v.as_mut())];
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/tests.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 48 |     assert_eq!(error.description(), "The dog ate the ethernet cable");
[INFO] [stdout]    |                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/tests.rs:91:19
[INFO] [stdout]    |
[INFO] [stdout] 91 |     assert_eq!(error.description(), "Access denied");
[INFO] [stdout]    |                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "727d25f2429229baa7744856cae06ed077553db7eea575a07b5b6edbff35989d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "727d25f2429229baa7744856cae06ed077553db7eea575a07b5b6edbff35989d", kill_on_drop: false }`
[INFO] [stdout] 727d25f2429229baa7744856cae06ed077553db7eea575a07b5b6edbff35989d